[英]Read / Parse JSON objects from .ser file in Android
我的sdcard中有一個擴展名為abc.ser的文件,並且該文件包含JSON對象,例如
{"music":"abc","highqualityavailable":"true","cacheable":"true"}
{"music":"xyz","highqualityavailable":"false","cacheable":"true"}
{"music":"aaa","highqualityavailable":"true","cacheable":"true"}
{"music":"bbb","highqualityavailable":"false","cacheable":"true"}
{"music":"ccc","highqualityavailable":"true","cacheable":"true"}
該文件包含JSON對象,但沒有正確的JSON格式,我該如何在我的應用程序中讀取或解析它,我已經讀取了文件中的字符串,但不知道如何將其轉換為POJO
String root = Environment.getExternalStorageDirectory().getAbsolutePath();
File file = new File(root+"/tmp/playerSongsString.ser");
if (file.exists()) {
FileInputStream stream = null;
try {
stream = new FileInputStream(file);
FileChannel fc = stream.getChannel();
MappedByteBuffer bb = fc.map(FileChannel.MapMode.READ_ONLY, 0, fc.size());
/* Instead of using default, pass in a decoder. */
jString = Charset.defaultCharset().decode(bb).toString();
JSONObject object = new JSONObject(jString);
Log.d("json:",jString);
} catch (IOException e) {
e.printStackTrace();
} catch (JSONException e) {
e.printStackTrace();
} finally {
try {
stream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
首先將您的JSON數據更改為不正確的JSON格式...
[{“ music”:“ abc”,“ highqualityavailable”:“ true”,“ cacheable”:“ true”},{“ music”:“ xyz”,“ highqualityavailable”:“ false”,“ cacheable”:“ true “},{” music“:” aaa“,” highqualityavailable“:” true“,” cacheable“:” true“},{” music“:” bbb“,” highqualityavailable“:” false“,” cacheable“: “ true”},{“ music”:“ ccc”,“ highqualityavailable”:“ true”,“ cacheable”:“ true”}]
然后將字符串轉換為JSON數組。
更多詳細信息: 如何在Android中使用GSON解析json解析
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